Add code examples, and documentation

patterns/facade/CarEngineFacadeRecording/Program.cs

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+#region
+
+using CarEngineFacadeRecording;
+
+#endregion
+
+//// without the facade, starting the engine involves creating all the objects
+//var airflow = new AirFlowController();
+//var fuel = new FuelInjector();
+//var start = new Starter();
+//var cool = new CoolingController();
+//var cat = new CatalyticConverter();
+
+//// then performing all the steps in the correct order
+//airflow.TakeAir();
+//fuel.On();
+//fuel.Inject();
+//start.Start();
+//cool.Run();
+//cat.On();
+
+//// and shut down also requires steps in the correct order
+//fuel.Off();
+//cat.Off();
+//cool.Cool();
+//cool.Stop();
+//airflow.Off();
+
+// with the Facade, all creation is handled internally
+var facade = new Facade();
+
+// as is starting
+facade.Start();
+
+// and stopping
+facade.Stop();